/*
 * Copyright (C) 2015 Antonio Leiva
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.antonioleiva.bandhookkotlin.ui.adapter

import android.view.View
import android.view.ViewConfiguration

/**
 * Prevents from double clicks on a view, which could otherwise lead to unpredictable states. Useful
 * while transitioning to another activity for instance.
 */
class SingleClickListener(private val click: (v: View) -> Unit) : View.OnClickListener {

    companion object {
        private val DOUBLE_CLICK_TIMEOUT = ViewConfiguration.getDoubleTapTimeout()
    }

    private var lastClick: Long = 0

    override fun onClick(v: View) {
        if (getLastClickTimeout() > DOUBLE_CLICK_TIMEOUT) {
            lastClick = System.currentTimeMillis()
            click(v)
        }
    }

    private fun getLastClickTimeout(): Long {
        return System.currentTimeMillis() - lastClick
    }
}